Based on the outstanding customer feedback that JL subwoofers have received, a user can be assured that any JL Audio car subwoofer will offer pleasing results. The JL Audio 15W3-D2 is certainly no exception, as it delivers on high and low-end output, power handling, and overall excellent sound quality. The JL Audio 15W3-D2 is a 15-inch automotive subwoofer that has a mounting depth of just over 8 inches. This one-way JL Audio car subwoofer has a power-handling capability of 400 watts RMS and a s...